Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Chrysler 300M BaseFACTORY OEM SERVICE PROCEDURE
Chassis Diagnostic Procedures - Anti-Lock Brake System
- Introduction
- Identification Of System
- System Description And Functional Operation
- Disclaimers, Safety, Warnings
- Required Tools And Equipment
- Glossary Of Terms
- Diagnostic Information And Procedures
- Notes
- Symptom: BUS SYSTEM COMMUNICATION FAILURE
- Symptom: CAB INTERNAL FAILURE
- Symptom: CLUSTER LAMP FAILURE
- Symptom: INCORRECT TONE WHEEL FAILURE
- Symptom List: LEFT FRONT, LEFT REAR, RIGHT FRONT OR RIGHT REAR SENSOR CIRCUIT FAILURE
- Symptom List: LEFT FRONT, LEFT REAR, RIGHT FRONT OR RIGHT REAR WHEEL SPEED SIGNAL FAILURE
- Symptom: PUMP CIRCUIT FAILURE
- Symptom: SYSTEM OVER VOLTAGE
- Symptom: SYSTEM UNDER VOLTAGE
- Symptom: VALVE POWER FEED FAILURE
- Symptom: *BRAKE LAMP SWITCH INOPERATIVE
- Symptom: *TRAC OFF INDICATOR NEVER/ALWAYS ON
- Symptom: *TRAC ON INDICATOR NEVER/ALWAYS ON
- Symptom: *NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE
- Verification Test
- Component Locations
- Connector PINOUTS
- Schematic Diagrams
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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